<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        html, body{
            height: 100%;
            margin: 0;
            padding: 0;
        }
        .contenter{
            width: 100%;
            height: 100%;
            background-color: #dfaaaa;
            
        }
        .left{
            width: 200px;
            height: 100%;
            background-color: #aaaadd;
            float: left;
        }
        .right{
            overflow: hidden;
            /* width: 600px; */
            height: 100%;
            background-color: #d1d176;
            /* float: right; */
        }
    </style>
</head>
<body>

    <div class="contenter">
        <div class="left"></div>
        <div class="right"><div></div></div>
    </div>
    
</body>
</html>